Shelving unit



FIG. 1 is a front view of the shelving unit;

FIG. 2 is a side view of the shelving unit;

FIG. 3 is a top view of the shelving unit;

FIG. 4 is a bottom view of the shelving unit;

FIG. 5 is a top perspective view of shelving unit; and,

FIG. 6 is a bottom perspective view of the shelving unit.

CLAIM The ornamental design for a shelving unit, as shown.